SI3018 데이터 시트보기 (PDF) - Silicon Laboratories
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SI3018 Datasheet PDF : 128 Pages
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Si3050 + Si3011/18/19
Table 2. Loop Characteristics
(VD = 3.0 to 3.6 V, TA = 0 to 70 °C, see Figure 1 on page 6)
Parameter
Symbol
Test Condition
Min Typ Max Unit
DC Termination Voltage
DC Termination Voltage
VTR
IL = 20 mA, ILIM = 0
—
—
6.0
V
DCV = 00, MINI = 11, DCR = 0
VTR
IL = 120 mA, ILIM = 0
9
—
—
V
DCV = 00, MINI = 11, DCR = 0
DC Termination Voltage
DC Termination Voltage
DC Termination Voltage
VTR
IL = 20 mA, ILIM = 0
—
—
7.5
V
DCV = 11, MINI = 00, DCR = 0
VTR
IL = 120 mA, ILIM = 0
9
—
—
V
DCV = 11, MINI = 00, DCR = 0
VTR
IL = 20 mA, ILIM = 1
—
—
7.5
V
DCV = 11, MINI = 00, DCR = 0
DC Termination Voltage
DC Termination Voltage
On-Hook Leakage Current
Operating Loop Current
Operating Loop Current
DC Ring Current
Ring Detect Voltage*
Ring Detect Voltage*
Ring Detect Voltage*
Ring Frequency
Ringer Equivalence Number
VTR
VTR
ILK
ILP
ILP
VRD
VRD
VRD
FR
REN
IL = 60 mA, ILIM = 1
40
—
DCV = 11, MINI = 00, DCR = 0
IL = 50 mA, ILIM = 1
—
—
DCV = 11, MINI = 00, DCR = 0
VTR = –48 V
MINI = 00, ILIM = 0
—
—
10
—
MINI = 00, ILIM = 1
10
—
dc current flowing through ring —
1.5
detection circuitry
RT2 = 0, RT = 0
13.5 15
RT2 = 0, RT = 1
19.35 21.5
RT2 = 1, RT = 1
40.5 45
13
—
—
—
—
V
40
V
5
µA
120 mA
60
mA
3
µA
16.5
23.65
49.5
68
0.2
Vrms
Vrms
Vrms
Hz
*Note: The ring signal is guaranteed to not be detected below the minimum. The ring signal is guaranteed to be detected
above the maximum.
TIP
+
600
Si3011/18/19 VTR
IL
10F
RING –
Figure 1. Test Circuit for Loop Characteristics
6
Rev. 1.5
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